Résultats de la recherche - 10 results
Evaluating MIR and NIR Spectroscopy Coupled with Multivariate Analysis for Detection and Quantification of Additives in Tobacco Products.
(2024) Keywords: Caffeine Cluster Analysis Discriminant Analysis Glycerol Least-Squares Analysis Menthol Multivariate Analysis Principal Component Analysis Spectroscopy, Near-Infrared Tobacco Products ...
Spectroscopic approaches for conformity analysis of e-liquids
issue is the presence of additives, illegal according to the European Directive. Some of the most important are caffeine, taurine and vitamin E. Cannabidiol (CBD), which is in the gray zone of the ...
Impact of the revised European Tobacco Product Directive on the quality of e-cigarette refill liquids in Belgium
during (2016) and after (2017-2018) the implementation of the TPD revisions, were analyzed for the presence of nicotine, nicotine-related impurities, volatile organic compounds (VOC s), caffeine and ...
Chemical and toxciological characterization of e-liquid cigarettes
developed for the identification of volatile organic compounds (HS / GC- MS) and the additives taurine (LC- MS / MS) and caffeine (GC- MS). Subsequently, the influence of the revised TPD on the quality of ...
Impact of the revised European Tobacco Product Directive on the quality of e-cigarette refill liquids in Belgium
caffeine and taurine, and the flavours diacetyl and acetylpropionyl. Results: Although not all manufacturers manage to produce and label their products accurately, nicotine labelling discrepancies have ...
Development of a Stationary Phase Optimised Selectivity Liquid Chromatography based screening method for adulterations of food supplements for the treatment of pain.
for the development of a screening method for nine analgesics, codeine and caffeine, often present in this type of dietary supplements. The method shows a good separation of all the compounds, allowing ...
A validated Ultra High Pressure Liquid Chromatographic method for the characterisation of confiscated illegal slimming products containing anorexics.
ephedrine, nor-ephedrine, metformin, theophyllin, caffeine, diethylpropion and orlistat) was developed. The proposed method uses a Vision HT C18-B column (2 mm × 100 mm, 1.5 μm) with a gradient using an ...
A fast ultra high pressure liquid chromatographic method for qualification and quantification of pharmaceutical combination preparations containing paracetamol, acetyl salicylic acid and/or antihistaminics.
pheniramine maleate, diphenhydramine, promethazine) and/or other additives as quinine sulphate, caffeine or codeine phosphate, was developed. The proposed method uses a Waters Acquity BEH C18 column (2 mm × 100 ...
Energy Drink Consumption among Adolescents Attending Schools in Lubumbashi, Democratic Republic of Congo.
little is known about the consumption of ED s among pupils in Africa. This study was designed to assess the consumption of ED s among pupils between 10 and 17 years of age and to assess average caffeine ...
Spectroscopy and Chemometrics for Conformity Analysis of e-Liquids: Illegal Additive Detection and Nicotine Characterization
examine the conformity of nicotine labeling and detect the presence of the not-allowed additives: the caffeine, taurine, vitamin E and cannabidiol (CBD) in e-liquids. A total of 236 e-liquid samples were ...